(24 August 1906 - 14 July 1963) was a British Roman Catholic theologian and philosopher.
He was born in St Mary Cray, Kent.
He joined the Dominican Order in 1923 and was ordained a priest in 1929.
Vann obtained a doctorate in Sacred Theology from the Collegio Angelico, the future Pontifical University of Saint Thomas Aquinas, Angelicum in Rome in 1931.His books include works on just war theory and St.